31298854640

素因数分解:

$2^4\times 5^1\times {\mathrm{5651}}^1\times {\mathrm{69233}}^1$

素因数の和:74897

約数の個数: 40

約数和(自身を含む): 72783765648

約数和(自身を除く): 41484911008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5651, 11302, 22604, 28255, 45208, 56510, 69233, 90416, 113020, 138466, 226040, 276932, 346165, 452080, 553864, 692330, 1107728, 1384660, 2769320, 5538640, 391235683, 782471366, 1564942732, 1956178415, 3129885464, 3912356830, 6259770928, 7824713660, 15649427320, 31298854640]

約数ペア:

[(1, 31298854640), (2, 15649427320), (4, 7824713660), (5, 6259770928), (8, 3912356830), (10, 3129885464), (16, 1956178415), (20, 1564942732), (40, 782471366), (80, 391235683), (5651, 5538640), (11302, 2769320), (22604, 1384660), (28255, 1107728), (45208, 692330), (56510, 553864), (69233, 452080), (90416, 346165), (113020, 276932), (138466, 226040)]